In this animation, the globe slowly rotates one full rotation while seasonal land cover and Arctic sea ice vary through time. The animation begins on September 21, 2005 when sea ice in the Arctic was at its minimum extent, and continues through September 20, 2006. This time period repeats six times during the animation, playing at a rate of day frame per frame. Over the terrain, monthly data from the seasonal Blue Marble Next Generation fades slowly from month to month. Over the water, Arctic sea ice changes from day to day. Note: This animation shows seasonal changes in landcover and Arctic sea ice from 2005-09-21 through 2006-09-20. Animator: Cindy Starr (GST). Scientist: Waleed Abdalati (NASA/GSFC). Platforms/Sensors/Data Sets: Aqua/AMSR-E, Aqua/AMSR-E/Daily L3 6.25 km 89 GHz Brightness Temperature (Tb), Aqua/AMSR-E/Daily L3 12.5km Tb, Sea Ice Concentration, and Snow Depth, Terra and Aqua/MODIS/Blue Marble Land Cover, TRMM/PR and TMI/Monthly Average Precipitation.